chore: using new chan based deadline reader

This commit is contained in:
wwqgtxx 2023-04-17 19:29:07 +08:00
parent 4a0d097fe9
commit 495033270c
8 changed files with 34 additions and 25 deletions

View File

@ -5,6 +5,7 @@ import (
"encoding/json"
"net"
"strings"
"syscall"
N "github.com/Dreamacro/clash/common/net"
"github.com/Dreamacro/clash/common/utils"
@ -204,7 +205,10 @@ func (c *conn) Upstream() any {
}
func NewConn(c net.Conn, a C.ProxyAdapter) C.Conn {
return &conn{N.NewDeadlineConn(c), []string{a.Name()}, parseRemoteDestination(a.Addr())}
if _, ok := c.(syscall.Conn); !ok { // exclusion system conn like *net.TCPConn
c = N.NewDeadlineConn(c) // most conn from outbound can't handle readDeadline correctly
}
return &conn{N.NewExtendedConn(c), []string{a.Name()}, parseRemoteDestination(a.Addr())}
}
type packetConn struct {
@ -235,7 +239,10 @@ func (c *packetConn) LocalAddr() net.Addr {
}
func newPacketConn(pc net.PacketConn, a C.ProxyAdapter) C.PacketConn {
return &packetConn{N.NewDeadlinePacketConn(pc), []string{a.Name()}, a.Name(), utils.NewUUIDV4().String(), parseRemoteDestination(a.Addr())}
if _, ok := pc.(syscall.Conn); !ok { // exclusion system conn like *net.UDPConn
pc = N.NewDeadlinePacketConn(pc) // most conn from outbound can't handle readDeadline correctly
}
return &packetConn{pc, []string{a.Name()}, a.Name(), utils.NewUUIDV4().String(), parseRemoteDestination(a.Addr())}
}
func parseRemoteDestination(addr string) string {

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@ -19,17 +19,11 @@ type ExtendedWriter = network.ExtendedWriter
type ExtendedReader = network.ExtendedReader
func NewDeadlineConn(conn net.Conn) ExtendedConn {
if dc, ok := conn.(*deadline.Conn); ok {
return dc
}
return deadline.NewConn(conn)
return deadline.NewFallbackConn(conn)
}
func NewDeadlinePacketConn(pc net.PacketConn) net.PacketConn {
if dpc, ok := pc.(*deadline.PacketConn); ok {
return dpc
}
return deadline.NewPacketConn(bufio.NewPacketConn(pc))
return deadline.NewFallbackPacketConn(bufio.NewPacketConn(pc))
}
func NeedHandshake(conn any) bool {

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@ -105,6 +105,10 @@ func (c *tfoConn) Upstream() any {
return c.Conn
}
func (c *tfoConn) NeedAdditionalReadDeadline() bool {
return c.Conn == nil
}
func (c *tfoConn) NeedHandshake() bool {
return c.Conn == nil
}

8
go.mod
View File

@ -20,7 +20,7 @@ require (
github.com/lunixbochs/struc v0.0.0-20200707160740-784aaebc1d40
github.com/mdlayher/netlink v1.7.2-0.20221213171556-9881fafed8c7
github.com/metacubex/quic-go v0.33.3-0.20230322045857-901b636b4594
github.com/metacubex/sing-shadowsocks v0.2.2-0.20230414151724-274b69df9875
github.com/metacubex/sing-shadowsocks v0.2.2-0.20230417103204-e2bcd32a73cc
github.com/metacubex/sing-tun v0.1.3
github.com/metacubex/sing-wireguard v0.0.0-20230413082948-e51777dcf025
github.com/miekg/dns v1.1.52
@ -28,9 +28,9 @@ require (
github.com/openacid/low v0.1.21
github.com/oschwald/geoip2-golang v1.8.0
github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97
github.com/sagernet/sing v0.2.3
github.com/sagernet/sing-shadowtls v0.1.1
github.com/sagernet/sing-vmess v0.1.4
github.com/sagernet/sing v0.2.4-0.20230417103520-0b4d134fe945
github.com/sagernet/sing-shadowtls v0.1.2-0.20230417103049-4f682e05f19b
github.com/sagernet/sing-vmess v0.1.5-0.20230417103030-8c3070ae3fb3
github.com/sagernet/tfo-go v0.0.0-20230303015439-ffcfd8c41cf9
github.com/sagernet/utls v0.0.0-20230309024959-6732c2ab36f2
github.com/sagernet/wireguard-go v0.0.0-20221116151939-c99467f53f2c

16
go.sum
View File

@ -96,8 +96,8 @@ github.com/metacubex/gvisor v0.0.0-20230323114922-412956fb6a03 h1:gREIdurac9fpyB
github.com/metacubex/gvisor v0.0.0-20230323114922-412956fb6a03/go.mod h1:wqEuzdImyqD2MCGE8CYRJXbB77oSEJeoSSXXdwKjnsE=
github.com/metacubex/quic-go v0.33.3-0.20230322045857-901b636b4594 h1:KD96JPdTIayTGGgRl6PuVqo2Bpo6+x3LqDDyqrYDDXw=
github.com/metacubex/quic-go v0.33.3-0.20230322045857-901b636b4594/go.mod h1:9nOiGX6kqV3+ZbkDKdTNzdFD726QQHPH6WDb36jUSpA=
github.com/metacubex/sing-shadowsocks v0.2.2-0.20230414151724-274b69df9875 h1:TrTg8JY//QOu4JZuXjKzB35Gppz4B4Us9EIvtdno6vo=
github.com/metacubex/sing-shadowsocks v0.2.2-0.20230414151724-274b69df9875/go.mod h1:0ebzwmiUVa4wAmjhzaEx5BgeuhJFT5QYO0oxwolKlYE=
github.com/metacubex/sing-shadowsocks v0.2.2-0.20230417103204-e2bcd32a73cc h1:ctwahnHNAgoicCUJqKrHNVcyjEeNIoK4Dqyjh5uIkEE=
github.com/metacubex/sing-shadowsocks v0.2.2-0.20230417103204-e2bcd32a73cc/go.mod h1:4uQQReKMTU7KTfOykVBe/oGJ00pl38d+BYJ99+mx26s=
github.com/metacubex/sing-tun v0.1.3 h1:LCz8TlAZUWwnBYZxs1PEE04PyfLA9xdsye6CjHZlZGQ=
github.com/metacubex/sing-tun v0.1.3/go.mod h1:kHkYHoRlYA4I12QPTt/ADyRGqy5YweLUfye1E1hC/q4=
github.com/metacubex/sing-wireguard v0.0.0-20230413082948-e51777dcf025 h1:itjCqEeem+BKZFiBEhQmWHDHKK4FgTGvnYCFS0JOb3A=
@ -144,12 +144,12 @@ github.com/sagernet/go-tun2socks v1.16.12-0.20220818015926-16cb67876a61/go.mod h
github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97 h1:iL5gZI3uFp0X6EslacyapiRz7LLSJyr4RajF/BhMVyE=
github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97/go.mod h1:xLnfdiJbSp8rNqYEdIW/6eDO4mVoogml14Bh2hSiFpM=
github.com/sagernet/sing v0.0.0-20220817130738-ce854cda8522/go.mod h1:QVsS5L/ZA2Q5UhQwLrn0Trw+msNd/NPGEhBKR/ioWiY=
github.com/sagernet/sing v0.2.3 h1:V50MvZ4c3Iij2lYFWPlzL1PyipwSzjGeN9x+Ox89vpk=
github.com/sagernet/sing v0.2.3/go.mod h1:Ta8nHnDLAwqySzKhGoKk4ZIB+vJ3GTKj7UPrWYvM+4w=
github.com/sagernet/sing-shadowtls v0.1.1 h1:Gf8YD/4zCjfM9xxVzI0QVYAnjMCtsDHcIp84CUdY3VA=
github.com/sagernet/sing-shadowtls v0.1.1/go.mod h1:espnHDPRQeG95ZoU3xfHDFnc6Nt4GvbbuPV2okN+x/E=
github.com/sagernet/sing-vmess v0.1.4 h1:aZ03KgmR9COPitVqo8NTPHeaHmbJYDZ8mkumnUV4oGQ=
github.com/sagernet/sing-vmess v0.1.4/go.mod h1:NensKZJDgfPsUf3TzFD8kTuzI3CQfN1Tj3Eygti5Isg=
github.com/sagernet/sing v0.2.4-0.20230417103520-0b4d134fe945 h1:mh7/K6IU1ZJ2CKRyfnyq3G/zKQVoBSVw8oWtaR1Hj6M=
github.com/sagernet/sing v0.2.4-0.20230417103520-0b4d134fe945/go.mod h1:Ta8nHnDLAwqySzKhGoKk4ZIB+vJ3GTKj7UPrWYvM+4w=
github.com/sagernet/sing-shadowtls v0.1.2-0.20230417103049-4f682e05f19b h1:ouW/6IDCrxkBe19YSbdCd7buHix7b+UZ6BM4Zz74XF4=
github.com/sagernet/sing-shadowtls v0.1.2-0.20230417103049-4f682e05f19b/go.mod h1:oG8bPerYI6cZ74KquY3DvA7ynECyrILPBnce6wtBqeI=
github.com/sagernet/sing-vmess v0.1.5-0.20230417103030-8c3070ae3fb3 h1:BHOnxrbC929JonuKqFdJ7ZbDp7zs4oTlH5KFvKtWu9U=
github.com/sagernet/sing-vmess v0.1.5-0.20230417103030-8c3070ae3fb3/go.mod h1:yKrAr+dqZd64DxBXCHWrYicp+n4qbqO73mtwv3dck8U=
github.com/sagernet/tfo-go v0.0.0-20230303015439-ffcfd8c41cf9 h1:2ItpW1nMNkPzmBTxV0/eClCklHrFSQMnUGcpUmJxVeE=
github.com/sagernet/tfo-go v0.0.0-20230303015439-ffcfd8c41cf9/go.mod h1:FUyTEc5ye5NjKnDTDMuiLF2M6T4BE6y6KZuax//UCEg=
github.com/sagernet/utls v0.0.0-20230309024959-6732c2ab36f2 h1:kDUqhc9Vsk5HJuhfIATJ8oQwBmpOZJuozQG7Vk88lL4=

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@ -100,7 +100,8 @@ func (l *Listener) AddrList() (addrList []net.Addr) {
}
func (l *Listener) HandleConn(conn net.Conn, in chan<- C.ConnContext, additions ...inbound.Addition) {
conn = N.NewDeadlineConn(l.pickCipher.StreamConn(conn))
conn = l.pickCipher.StreamConn(conn)
conn = N.NewDeadlineConn(conn) // embed ss can't handle readDeadline correctly
target, err := socks5.ReadAddr(conn, make([]byte, socks5.MaxAddrLen))
if err != nil {

View File

@ -4,7 +4,6 @@ import (
"net"
"github.com/Dreamacro/clash/adapter/inbound"
N "github.com/Dreamacro/clash/common/net"
"github.com/Dreamacro/clash/common/pool"
"github.com/Dreamacro/clash/common/sockopt"
C "github.com/Dreamacro/clash/constant"
@ -30,7 +29,7 @@ func NewUDP(addr string, pickCipher core.Cipher, in chan<- C.PacketAdapter) (*UD
}
sl := &UDPListener{l, false}
conn := N.NewDeadlinePacketConn(pickCipher.PacketConn(l))
conn := pickCipher.PacketConn(l)
go func() {
for {
buf := pool.Get(pool.RelayBufferSize)

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@ -17,6 +17,7 @@ import (
vmess "github.com/sagernet/sing-vmess"
"github.com/sagernet/sing/common/buf"
"github.com/sagernet/sing/common/bufio/deadline"
E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
"github.com/sagernet/sing/common/network"
@ -80,6 +81,9 @@ func (h *ListenerHandler) NewConnection(ctx context.Context, conn net.Conn, meta
defer wg.Wait() // this goroutine must exit after conn.Close()
wg.Add(1)
if deadline.NeedAdditionalReadDeadline(conn) {
conn = N.NewDeadlineConn(conn) // conn from sing should check NeedAdditionalReadDeadline
}
h.TcpIn <- inbound.NewSocket(target, &waitCloseConn{ExtendedConn: N.NewExtendedConn(conn), wg: wg, rAddr: metadata.Source.TCPAddr()}, h.Type, additions...)
return nil
}